bpo-43794: OpenSSL 3.0.0: set OP_IGNORE_UNEXPECTED_EOF by default (GH-25309)

Signed-off-by: Christian Heimes <christian@python.org>
diff --git a/Doc/library/ssl.rst b/Doc/library/ssl.rst
index 9333168..587d3b3 100644
--- a/Doc/library/ssl.rst
+++ b/Doc/library/ssl.rst
@@ -893,6 +893,14 @@
 
    .. versionadded:: 3.6
 
+.. data:: OP_IGNORE_UNEXPECTED_EOF
+
+   Ignore unexpected shutdown of TLS connections.
+
+   This option is only available with OpenSSL 3.0.0 and later.
+
+   .. versionadded:: 3.10
+
 .. data:: HAS_ALPN
 
    Whether the OpenSSL library has built-in support for the *Application-Layer